48978901 has 2 divisors, whose sum is σ = 48978902. Its totient is φ = 48978900.

The previous prime is 48978899. The next prime is 48978911. The reversal of 48978901 is 10987984.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48636676 + 342225 = 6974^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 48978901 - 2¹ = 48978899 is a prime.

Together with 48978899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48978911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24489450 + 24489451.

It is an arithmetic number, because the mean of its divisors is an integer number (24489451).

Almost surely, 2^48978901 is an apocalyptic number.

It is an amenable number.

48978901 is a deficient number, since it is larger than the sum of its proper divisors (1).

48978901 is an equidigital number, since it uses as much as digits as its factorization.

48978901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 48978901 is about 6998.4927663033. The cubic root of 48978901 is about 365.8780412230.

The spelling of 48978901 in words is "forty-eight million, nine hundred seventy-eight thousand, nine hundred one".